"If You Come Back" is a song by English boy band Blue, released as the third single from their debut studio album, All Rise (2001). It was written by Ray Ruffin, Nicole Formescu, Ian Hope, and Lee Brennan of boy band 911. The song topped the UK Singles Chart for one week, becoming Blue's second consecutive number-one single, and has been certified gold in the UK for sales and streaming figures exceeding 400,000 units, as of June 2025.